fpPS4/sys/sys_fd.pas
2023-01-23 16:54:08 +03:00

657 lines
15 KiB
ObjectPascal

unit sys_fd;
{$mode ObjFPC}{$H+}
interface
uses
windows,
Classes,
SysUtils,
ps4_handles,
sys_types,
sys_kernel;
const
NAME_MAX =255; // max bytes in a file name
PATH_MAX =1024; // max bytes in pathname
IOV_MAX =1024; // max elements in i/o vector
MAXNAMLEN =255;
O_RDONLY =$0000; // open for reading only
O_WRONLY =$0001; // open for writing only
O_RDWR =$0002; // open for reading and writing
O_ACCMODE =$0003; // mask for above modes
O_NONBLOCK =$0004; // no delay
O_APPEND =$0008; // set append mode
O_SYNC =$0080; // POSIX synonym for O_FSYNC
O_CREAT =$0200; // create if nonexistent
O_TRUNC =$0400; // truncate to zero length
O_EXCL =$0800; // error if already exists
O_DSYNC =$1000; // synchronous data writes(omit inode writes)
O_DIRECT =$00010000;
O_FSYNC =$0080; // synchronous writes
O_DIRECTORY =$00020000; // Fail if not directory
O_EXEC =$00040000; // Open for execute only
S_IRWXU =&0000700; // RWX mask for owner
S_IRUSR =&0000400; // R for owner
S_IWUSR =&0000200; // W for owner
S_IXUSR =&0000100; // X for owner
S_IRWXG =&0000070; // RWX mask for group
S_IRGRP =&0000040; // R for group
S_IWGRP =&0000020; // W for group
S_IXGRP =&0000010; // X for group
S_IRWXO =&0000007; // RWX mask for other
S_IROTH =&0000004; // R for other
S_IWOTH =&0000002; // W for other
S_IXOTH =&0000001; // X for other
S_IFMT =&0170000; // type of file mask
S_IFIFO =&0010000; // named pipe (fifo)
S_IFCHR =&0020000; // character special
S_IFDIR =&0040000; // directory
S_IFBLK =&0060000; // block special
S_IFREG =&0100000; // regular
S_IFLNK =&0120000; // symbolic link
S_IFSOCK =&0140000; // socket
S_ISVTX =&0001000; // save swapped text even after use
F_GETFL =3; // get file status flags
F_SETFL =4; // set file status flags
SEEK_SET =0; // set file offset to offset
SEEK_CUR =1; // set file offset to current plus offset
SEEK_END =2; // set file offset to EOF plus offset
MAP_SHARED =$0001; // share changes
MAP_PRIVATE =$0002; // changes are private
MAP_FILE =$0000; // map from file (default)
MAP_ANON =$1000; // allocated from memory, swap space
MAP_SYSTEM =$2000;
MAP_NOCORE =$00020000; // dont include these pages in a coredump
MAP_NOSYNC =$0800; // page to but do not sync underlying file
MAP_PREFAULT_READ =$00040000; // prefault mapping for reading
DT_UNKNOWN =0;
DT_DIR =4;
DT_REG =8;
SCE_KERNEL_NAME_MAX =NAME_MAX;
SCE_KERNEL_PATH_MAX =PATH_MAX;
SCE_KERNEL_IOV_MAX =IOV_MAX;
SCE_KERNEL_MAXNAMLEN =MAXNAMLEN;
SCE_KERNEL_O_RDONLY =O_RDONLY;
SCE_KERNEL_O_WRONLY =O_WRONLY;
SCE_KERNEL_O_RDWR =O_RDWR ;
SCE_KERNEL_O_NONBLOCK =O_NONBLOCK;
SCE_KERNEL_O_APPEND =O_APPEND;
SCE_KERNEL_O_CREAT =O_CREAT;
SCE_KERNEL_O_TRUNC =O_TRUNC;
SCE_KERNEL_O_EXCL =O_EXCL;
SCE_KERNEL_O_DIRECT =O_DIRECT;
SCE_KERNEL_O_FSYNC =O_FSYNC;
SCE_KERNEL_O_SYNC =O_SYNC;
SCE_KERNEL_O_DSYNC =O_DSYNC;
SCE_KERNEL_O_DIRECTORY =O_DIRECTORY;
SCE_KERNEL_S_IFMT =S_IFMT;
SCE_KERNEL_S_IFDIR =S_IFDIR;
SCE_KERNEL_S_IFREG =S_IFREG;
SCE_KERNEL_S_IRUSR =(S_IRUSR or S_IRGRP or S_IROTH or S_IXUSR or S_IXGRP or S_IXOTH);
SCE_KERNEL_S_IWUSR =(S_IWUSR or S_IWGRP or S_IWOTH or S_IXUSR or S_IXGRP or S_IXOTH);
SCE_KERNEL_S_IXUSR =(S_IXUSR or S_IXGRP or S_IXOTH);
SCE_KERNEL_S_IRWXU =(SCE_KERNEL_S_IRUSR or SCE_KERNEL_S_IWUSR);
SCE_KERNEL_S_IRWU =(SCE_KERNEL_S_IRUSR or SCE_KERNEL_S_IWUSR);
// 00777, R/W
SCE_KERNEL_S_IRU =(SCE_KERNEL_S_IRUSR);
// 00555, R
SCE_KERNEL_S_INONE =&0000000;
//SCE_KERNEL_S_ISDIR(m) =S_ISDIR(m);
//SCE_KERNEL_S_ISREG(m) =S_ISREG(m);
// for sceKernelFcntl()
SCE_KERNEL_F_GETFL =F_GETFL;
SCE_KERNEL_F_SETFL =F_SETFL;
// for sceKernelLseek()
SCE_KERNEL_SEEK_SET =SEEK_SET;
SCE_KERNEL_SEEK_CUR =SEEK_CUR;
SCE_KERNEL_SEEK_END =SEEK_END;
// for sceKernelMmap()
SCE_KERNEL_MAP_NOCORE =MAP_NOCORE;
SCE_KERNEL_MAP_NOSYNC =MAP_NOSYNC;
SCE_KERNEL_MAP_PREFAULT_READ=MAP_PREFAULT_READ;
SCE_KERNEL_MAP_PRIVATE =MAP_PRIVATE;
SCE_KERNEL_MAP_SHARED =MAP_SHARED;
// for SceKernelDirent
SCE_KERNEL_DT_UNKNOWN =DT_UNKNOWN;
SCE_KERNEL_DT_DIR =DT_DIR;
SCE_KERNEL_DT_REG =DT_REG;
// for sceKernelSetCompress
SCE_KERNEL_COMPRESS_FILE_MAGIC =($43534650);
SCE_KERNEL_SET_COMPRESS_FILE =(1);
SCE_KERNEL_SET_REGULAR_FILE =(0);
// for sceKernelLwfsSetAttribute
SCE_KERNEL_LWFS_DISABLE =(0);
SCE_KERNEL_LWFS_ENABLE =(1);
//fcntl
O_FL_STATUS=O_NONBLOCK or O_APPEND or O_DIRECT {or O_ASYNC} or O_SYNC or O_DSYNC;
type
p_iovec=^iovec;
iovec=packed record
iov_base:Pointer; //Base address.
iov_len :Int64; //Length.
end;
PSceKernelStat=^SceKernelStat;
SceKernelStat=packed object
type
__dev_t =DWORD;
ino_t =DWORD;
mode_t =Word;
nlink_t =Word;
uid_t =DWORD;
gid_t =DWORD;
off_t =Int64;
blkcnt_t =Int64;
blksize_t=DWORD;
fflags_t =DWORD;
var
st_dev :__dev_t ; // inode's device
st_ino :ino_t ; // inode's number
st_mode :mode_t ; // inode protection mode S_IFMT.....
st_nlink :nlink_t ; // number of hard links
st_uid :uid_t ; // user ID of the file's owner S_IRWXU....
st_gid :gid_t ; // group ID of the file's group S_IRWXG....
st_rdev :__dev_t ; // device type
st_atim :timespec ; // time of last access
st_mtim :timespec ; // time of last data modification
st_ctim :timespec ; // time of last file status change
st_size :off_t ; // file size, in bytes
st_blocks :blkcnt_t ; // blocks allocated for file
st_blksize :blksize_t ; // optimal blocksize for I/O
st_flags :fflags_t ; // user defined flags for file
st_gen :DWORD ; // file generation number
st_lspare :DWORD ;
st_birthtim:timespec ; // time of file creation
end;
TCustomFile=class(TClassHandle)
var
fd:Integer;
status:Integer;
Handle:THandle;
function lseek (offset:Int64;whence:Integer):Int64; virtual;
function read (data:Pointer;size:Int64):Int64; virtual;
function pread (data:Pointer;size,offset:Int64):Int64; virtual;
function readv (vector:p_iovec;count:Integer):Int64; virtual;
function preadv (vector:p_iovec;count:Integer;offset:Int64):Int64; virtual;
function write (data:Pointer;size:Int64):Int64; virtual;
function pwrite (data:Pointer;size,offset:Int64):Int64; virtual;
function writev (vector:p_iovec;count:Integer):Int64; virtual;
function ftruncate (size:Int64):Integer; virtual;
function fstat (stat:PSceKernelStat):Integer; virtual;
function fsync ():Integer; virtual;
function fcntl (cmd:Integer;param1:ptruint):Integer; virtual;
function ioctl (cmd:Integer;param1:ptruint):Integer; virtual;
function getdirentries(buf:Pointer;nbytes:Int64;basep:PInt64):Int64; virtual;
end;
function _sys_get_osfhandle(fd:Integer):THandle;
function _sys_open_fd(f:TCustomFile;flags:Integer):Integer;
function _sys_acqure_fd(fd:Integer):TCustomFile;
function _sys_close(fd:Integer):Integer;
function _sys_lseek(fd:Integer;offset:Int64;whence:Integer):Int64;
function _sys_read(fd:Integer;data:Pointer;size:Int64):Int64;
function _sys_pread(fd:Integer;data:Pointer;size,offset:Int64):Int64;
function _sys_readv(fd:Integer;vector:p_iovec;count:Integer):Int64;
function _sys_preadv(fd:Integer;vector:p_iovec;count:Integer;offset:Int64):Int64;
function _sys_write(fd:Integer;data:Pointer;size:Int64):Int64;
function _sys_writev(fd:Integer;vector:p_iovec;count:Integer):Int64;
function _sys_pwrite(fd:Integer;data:Pointer;size,offset:Int64):Int64;
function _sys_ftruncate(fd:Integer;size:Int64):Integer;
function _sys_fstat(fd:Integer;stat:PSceKernelStat):Integer;
function _sys_getdirentries(fd:Integer;buf:Pointer;nbytes:Int64;basep:PInt64):Int64;
function _sys_fsync(fd:Integer):Integer;
function _sys_fcntl(fd,cmd:Integer;param1:ptruint):Integer;
function _sys_ioctl(fd,cmd:Integer;param1:ptruint):Integer;
implementation
var
FileHandles:TIntegerHandles;
//
function TCustomFile.lseek (offset:Int64;whence:Integer):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.read (data:Pointer;size:Int64):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.pread (data:Pointer;size,offset:Int64):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.readv (vector:p_iovec;count:Integer):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.preadv(vector:p_iovec;count:Integer;offset:Int64):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.write (data:Pointer;size:Int64):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.pwrite(data:Pointer;size,offset:Int64):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.writev(vector:p_iovec;count:Integer):Int64;
begin
Result:=-ENOTSUP;
end;
function TCustomFile.ftruncate(size:Int64):Integer;
begin
Result:=ENOTSUP;
end;
function TCustomFile.fstat (stat:PSceKernelStat):Integer;
begin
Result:=ENOTSUP;
end;
function TCustomFile.fsync:Integer;
begin
Result:=EINVAL;
end;
function TCustomFile.fcntl(cmd:Integer;param1:ptruint):Integer;
begin
Case cmd of
F_GETFL:
begin
Result:=status;
end;
F_SETFL:
begin
status:=Integer(param1) and O_FL_STATUS;
end;
else
begin
Assert(false,'fcntl:'+IntToStr(cmd));
Exit(EINVAL);
end;
end;
end;
function TCustomFile.ioctl(cmd:Integer;param1:ptruint):Integer;
begin
Result:=ENOTTY;
end;
function TCustomFile.getdirentries(buf:Pointer;nbytes:Int64;basep:PInt64):Int64;
begin
Result:=-EINVAL;
end;
//
function _sys_get_osfhandle(fd:Integer):THandle;
var
f:TCustomFile;
begin
Result:=INVALID_HANDLE_VALUE;
f:=TCustomFile(FileHandles.Acqure(fd));
if (f<>nil) then
begin
Result:=f.Handle;
f.Release;
end;
end;
function _sys_open_fd(f:TCustomFile;flags:Integer):Integer;
begin
if (f=nil) then Exit(-EINVAL);
if FileHandles.New(f,Result) then
begin
f.fd:=Result;
f.status:=flags and O_FL_STATUS;
end else
begin
Result:=-EMFILE;
end;
end;
function _sys_acqure_fd(fd:Integer):TCustomFile;
begin
Result:=TCustomFile(FileHandles.Acqure(fd));
end;
function _sys_close(fd:Integer):Integer;
begin
Result:=0;
if (fd<0) then Exit(EINVAL);
if not FileHandles.Delete(fd) then Exit(EBADF);
end;
function _sys_lseek(fd:Integer;offset:Int64;whence:Integer):Int64;
var
f:TCustomFile;
begin
Result:=0;
if (fd<0) then Exit(-EINVAL);
case whence of
SEEK_SET,
SEEK_CUR,
SEEK_END:;
else
Exit(-EINVAL);
end;
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.lseek(offset,whence);
f.Release;
end;
function _sys_read(fd:Integer;data:Pointer;size:Int64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (data=nil) or (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (size<=0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.read(data,size);
f.Release;
end;
function _sys_pread(fd:Integer;data:Pointer;size,offset:Int64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (data=nil) or (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (size<=0) then Exit(-EINVAL);
if (offset<0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.pread(data,size,offset);
f.Release;
end;
function _sys_readv(fd:Integer;vector:p_iovec;count:Integer):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (vector=nil) or (count=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (count<=0) or (count>IOV_MAX) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.readv(vector,count);
f.Release;
end;
function _sys_preadv(fd:Integer;vector:p_iovec;count:Integer;offset:Int64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (vector=nil) or (count=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (count<=0) or (count>IOV_MAX) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.preadv(vector,count,offset);
f.Release;
end;
function _sys_write(fd:Integer;data:Pointer;size:Int64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (data=nil) or (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (size<=0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.write(data,size);
f.Release;
end;
function _sys_pwrite(fd:Integer;data:Pointer;size,offset:Int64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (data=nil) or (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (size<=0) then Exit(-EINVAL);
if (offset<0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.pwrite(data,size,offset);
f.Release;
end;
function _sys_writev(fd:Integer;vector:p_iovec;count:Integer):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (vector=nil) or (count=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (count<=0) or (count>IOV_MAX) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.writev(vector,count);
f.Release;
end;
function _sys_ftruncate(fd:Integer;size:Int64):Integer;
var
f:TCustomFile;
begin
if (fd<0) then Exit(EINVAL);
if (size<=0) then Exit(EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(EBADF);
Result:=f.ftruncate(size);
f.Release;
end;
function _sys_fstat(fd:Integer;stat:PSceKernelStat):Integer;
var
f:TCustomFile;
begin
if (fd<0) then Exit(EINVAL);
if (stat=nil) then Exit(EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(EBADF);
Result:=f.fstat(stat);
f.Release;
end;
function _sys_getdirentries(fd:Integer;buf:Pointer;nbytes:Int64;basep:PInt64):Int64;
var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (buf=nil) then Exit(-EFAULT);
if (nbytes<=0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
Result:=f.getdirentries(buf,nbytes,basep);
f.Release;
end;
function _sys_fsync(fd:Integer):Integer;
var
f:TCustomFile;
begin
if (fd<0) then Exit(EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(EBADF);
Result:=f.fsync;
f.Release;
end;
function _sys_fcntl(fd,cmd:Integer;param1:ptruint):Integer;
var
f:TCustomFile;
begin
if (fd<0) then Exit(EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(EBADF);
Result:=f.fcntl(cmd,param1);
f.Release;
end;
function _sys_ioctl(fd,cmd:Integer;param1:ptruint):Integer;
var
f:TCustomFile;
begin
if (fd<0) then Exit(EINVAL);
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(EBADF);
Result:=f.ioctl(cmd,param1);
f.Release;
end;
//
initialization
FileHandles:=TIntegerHandles.Create(0);
end.